Catoptrics and Glass fiber

Catoptrics noun - Branch of optics dealing with formation of images by mirrors.

Glass fiber and catoptrics are semantically related in light transmitted through fibers topic. In some cases you can use "Glass fiber" instead a noun "Catoptrics".

Glass fiber noun - A very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images.

Catoptrics and glass fiber are semantically related in light transmitted through fibers topic. You can use "Catoptrics" instead a noun phrase "Glass fiber".